AP	anteroposterior
APA	anticipatory postural adjustments
AUC	area under the receiver operating characteristic curve
ROC	receiver operating characteristic
BFs	biceps femoris short head
CNN	convolutional neural network
GRAD-CAM	gradient-weighted class activation mapping
HC	healthy control
iEMG	integrated surface electromyography
MaxIdx	maximum attention index
CenterIdx	center of mass index
HalfEnergyIdx	half-energy cumulative index
Ch	channel
MG	medial gastrocnemius
PD	Parkinson’s disease
RF	rectus femoris
SHAP	SHapley Additive exPlanations
SMOTE	synthetic minority oversampling technique
sEMG	surface electromyography
STW	sit-to-walk
TA	tibialis anterior
XAI	explainable artificial intelligence
UPDRS	Unified Parkinson’s Disease Rating Scale
H&Y	Hoehn and Yahr
ML	machine learning
DL	deep learning
RMS	root mean square
SD	standard deviation
LR	logistic regression
SVM	support vector machine with a linear kernel
XGBoost	extreme gradient boosting
CV	cross-validation